.app_container {
  position: relative;
}

.body {
  width: 100%;
  padding-bottom: 31px;
  box-sizing: border-box;

  min-height: 821px;
}

 .container_box {
  max-width: 1140px;
  min-width: 960px;
  margin: 0 auto;
  min-height: 700px;
}
.container_unknow_link {
  padding-top: 80px;
  text-align: center;
  .ic_unknow {
    display: inline-block;
    width: 150px;
    height: 150px;
    margin: 0 auto;
    text-align: center;
    background: url()
      no-repeat 50%;
    background-size: cover;
  }
  .text_area_title {
    text-align: center;
    margin-top: 30px;
    margin-bottom: 30px;
    font-weight: 400;
  }
  .text_area {
    display: inline-block;
    .text_area_desc {
      text-align: left;
    }
  }
}

@media only screen and (max-width: 959px) {
  .app_container {
    color: rgba(0, 0, 0, 0.9);
    font-size: 14px;
    .body {
      padding-top: 16px;
      padding-bottom: 0;
      .container_box {
        width: auto;
        min-width: 0;
        min-height: 0;
      }
    }
  }
}

* {
  margin: 0;
  padding: 0;
}
a {
  color: #576b95;
  text-decoration: none;
}
body {
  line-height: 1.6;
  font-family: -apple-system-font, BlinkMacSystemFont, Helvetica Neue,
    PingFang SC, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial,
    sans-serif;
  font-size: 14px;
  background-color: hsla(0, 0%, 100%, 0);
}
